Сократите дробь:а) xz+yz________x^2-y^2б) 4a-a^2__________4a^2-64. Created by Katya157682525. algebra-ru

Сократите дробь:а) xz+yz________x^2-y^2б) 4a-a^2_________

April 2022 1 17 Report

Сократите дробь:
а) xz+yz
________
x^2-y^2
б) 4a-a^2
__________
4a^2-64

Answers & Comments

dadonster97 A) ... = z(x+y) = z
_________ ________
(x-y)(x+y) x-y

б) ... = a(4-a) = a(4-a) = -a(a-4) = -a
_____ __________ ________________ _________
4(a^2-16) 4(a-4)(a+4) 4(a-4)(a+4) 4(a+4)

10 votes Thanks 10

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